// console.log(this);

// var a = 1
// console.log(window.a);

function identify() {
  return this.name.toUpperCase()
}

function speek() {
  var greeting = "Hello, I'm " + identify.call(this);
  console.log(greeting);
}
var me = {
  name: "Tom"
}
var you = {
  name: "Jerry"
}
// console.log(identify(you));
speek.call(me)

